Cauliflower [brassica oleracea botrytis]is a member of the Brassica family, which also includes broccoli (a close relative), Brussels sprouts, kale, , turnips, kohlrabi, radishes, and various lesser crops like seakale and the true cresses .It is naturally a biennial plant; its flowers are hermaphrodite (have both male and female organs) and are typically pollinated by bees, making the plant self-fertile.